Ralph is fourth generation European show business. His great grandfather was a theatrical architect and his grandfather was the head of AAFA Studios in Berlin. His mother was granted the first license for theater in the American Zone after World War II. Clemente's first professional appearance in show business was at age two where his first theatrical performance was as the son of renowned German actor Curt Jurgens.
Oyuncu
| 2015 | S.O.S.: Mulheres ao Mar 2 as Diretor FBI |
| 1968 | Andrea - Wie ein Blatt auf nackter Haut as Thomas |
Diğer Roller
| 2022 | Jacaranda Joe - Producer |
| 2019 | HeartBreak - Director |
| 2015 | S.O.S.: Mulheres ao Mar 2 - In Memory Of |
| 2015 | Aşkı Kollarına Yaz - Co-Producer |
| 2015 | My Fair Lidy - Director |
| 2014 | Campin' Buddies - Co-Producer |
| 2013 | Missionary - Associate Producer |
| 2012 | The Return of the Loch Ness Monster from Outer Space - Executive Producer |
| 2008 | Terror Inside - Executive Producer |
| 2007 | Enormous Nuclear Potato - Producer |
| 2007 | Kali Ma - Executive Producer |
| 2006 | Popsy - Executive Producer |
| 2004 | The Eliminator - Producer |
| 2003 | Small Town Conspiracy - Director |
| 2003 | Small Town Conspiracy - Producer |
| 1999 | The First of May - Producer |
| 1997 | Kanlı Orkide - Producer |
| 1987 | Shallow Grave - Associate Producer |
| 1987 | Shallow Grave - Second Unit Director |
| 1985 | Ateşkes - Associate Producer |
| 1977 | The Cayman Triangle - Director |
| 1977 | The Cayman Triangle - Writer |
Duvar